Lisa Kudrow is notoriously private and rarely shares anything about her life on social media, preferring to keep a low profile.MORE: Jennifer Aniston shines in beautiful candid photos in a white bikiniThe Friends star is a household name thanks to her role as Phoebe Buffay in Friends, and while she rarely gives interviews, it's clear how loved she is by fans and her former co-stars.Jennifer Aniston is especially close to Lisa, along with Courteney Cox, and the trio have been pictured together on many occasions hanging out at each other's homes.VIDEO: Lisa Kudrow reunites with her Friends co-starsJennifer has often opened up about how funny Lisa is, telling Variety in 2020 that her friend would be about to say her punch line on Friends and then break down laughing, telling the audience: "I'm sorry, it's really funny."MORE: Jennifer Aniston shows support as Lisa Kudrow reveals pride in talented family memberMORE: Lisa Kudrow and lookalike mother pose for very rare photo togetherShe also shared a heartfelt tribute to Lisa on her birthday, posting a picture of them laughing alongside the caption: "Making me laugh THIS hard since day 1... Love you."What's more, Lisa's son Julian even thought Jennifer was his mom when he used to watch Friends as a little boy.